Before the heroes of The Flash, Supergirl and DC's Legends of Tomorrow face Savitar, CADMUS and the Legion of Doom, they'll have to get through us—DC All Access! In today's all new episode, we talk to Melissa Benoist, Grant Gustin, Brandon Routh, Candace Patton, David Harewood and Legends of Tomorrow Executive Producer Phil Klemmer about what they have planned for their season finales. Plus, Dan DiDio discusses this week's Hanna-Barbera/DC Universe crossovers and we look ahead to this week's WonderCon and Fan Expo.

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